/**
 * Copyright (c) 2019, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
/* eslint-disable func-names */
const fs = require('fs');
const path = require('path');

module.exports = function (source, map) {
    const isWin = process.platform === "win32";
    const pathSeperator = isWin ? '\\' : '/';
    const headerPath = path.resolve(this.rootContext + pathSeperator + 'override' + this.resourcePath.split(`${pathSeperator}source`)[1]);
    let newSource = source;
    if (fs.existsSync(headerPath)) {
        newSource = fs.readFileSync(headerPath, 'utf8');
        newSource = newSource.replace(/AppOverride/g, this.rootContext + '/override/');

        this.addDependency(headerPath);
    }
    this.callback(null, newSource, map);
};
